Powermax Ultra Mount Suitable for most transceivers, GPS and other mobile and marine accessories on the market. Can be attached to the top or bottom of your dash. Allows the radio or accessory to be turned 360 degrees and inclined up to 30 degrees. A single thumbscrew locks the unit in place. A separate quick removal system allows the simple and rapid removal and installation of items. Made of nylon and stainless steel treated for high resistance to atmospheric elements and thermal shock. The 21-200 will supply long life. Glare proof opaque black. Supplied in blister packaging.